I like getting up very early in summer. The morning air is so good _________.
| A．to be breathed | B．to breathe |
| C．breathing | D．being breathed |
______ the Chinese have been to Beijing.
| A．None of | B．All | C．Not all | D．No |
_____ I shouted at the top of my voice _____ turn his head.
| A．Not until; did he | B．Not until; he did |
| C．Until; he did not | D．Until; did he not |
Not only I but also Jane and Mary _____ tired of having one examination after another.
| A．is | B．are | C．am | D．be |
--What is the model plane like?
--Well, the wings of the plane are___________ of its body.
| A．more than the length twice | B．twice more than the length |
| C．more than twice the length | D．more twice than the length |
—Do you regret spending 500 dollars on the overcoat?
—No,I would have paid _________ if the shop owner had insisted.
| A．twice as much | B．twice as many | C．much as twice | D．many as twice |